Kolmogorov.com
A site dedicated to the mathematician A. N. Kolmogorov, including a bibliography of his works (some available in PDF format), information on his students, and on the school founded by him and which bears his name, which is looking for books for its library.
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Laurent Habsieger
A research associate at Laboratoire Algorithmique Arithmétique Expérimentale, Laurent Habsieger studies analytic number theory, coding theory, and combinatorics. Some articles on these topics are available for download in PostScript format.
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LiveMath - Theorist Interactive, LLC
Web-Shareable computer algebra and graphing software (formerly MathView/Expressionist / Theorist / MathPlus). LiveMath notebooks may be shared via the Web. They are similar to spreadsheets in that a change in one value will ripple throughout the calculations.
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Mad Maths - Philippe Chevanne
Word problems, with short solutions and "details" that reveal steps in solving number theory, logic, geometry, and more. Scripts include original JavaScript about continued fractions, Apollonius circles, Pythagorean triples, decompositions of sums of
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Math-Assist - Bernd Schultheiss
Math shareware from Germany (English, French, and German versions are available) for secondary level or high school students and teachers. Math-Assist helps in solving most of the tasks of algebra, geometry, analysis, stochastics, and linear algebra.
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Mathematics of Planet Earth
Mathematics of Planet Earth (MPE) "provides a platform to showcase the essential relevance of mathematics to planetary problems, coalesces activities currently dispersed among institutions, and creates a context for mathematical and interdisciplinary
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Mathepower - Markus Hendler
Online calculators for most calculations covered in the first ten years of school, from basic operations through the first stages of algebra. Available in English, German, and French.
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